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author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-11-06 15:56:40 -0600 |
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committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-11-06 15:56:40 -0600 |
commit | e16866e072f94410321d70daedbcb855ea878cac (patch) | |
tree | ee3f52eabde7da1a0e6ca845fb9c2813cf1558cf /tdecore/kxerrorhandler.cpp | |
parent | a58c20c1a7593631a1b50213c805507ebc16adaf (diff) | |
download | tdelibs-e16866e072f94410321d70daedbcb855ea878cac.tar.gz tdelibs-e16866e072f94410321d70daedbcb855ea878cac.zip |
Actually move the kde files that were renamed in the last commit
Diffstat (limited to 'tdecore/kxerrorhandler.cpp')
-rw-r--r-- | tdecore/kxerrorhandler.cpp | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/tdecore/kxerrorhandler.cpp b/tdecore/kxerrorhandler.cpp new file mode 100644 index 000000000..43a05f42e --- /dev/null +++ b/tdecore/kxerrorhandler.cpp @@ -0,0 +1,121 @@ +/* + + Copyright (c) 2003 Lubos Lunak <l.lunak@kde.org> + + Permission is hereby granted, free of charge, to any person obtaining a + copy of this software and associated documentation files (the "Software"), + to deal in the Software without restriction, including without limitation + the rights to use, copy, modify, merge, publish, distribute, sublicense, + and/or sell copies of the Software, and to permit persons to whom the + Software is furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included in + all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + DEALINGS IN THE SOFTWARE. + +*/ + +#include <tqwidget.h> +#ifdef Q_WS_X11 //FIXME + +#include "kxerrorhandler.h" +#include <assert.h> +#include <stdlib.h> +#include <netwm_def.h> + +KXErrorHandler** KXErrorHandler::handlers = NULL; +int KXErrorHandler::pos = 0; +int KXErrorHandler::size = 0; + +KXErrorHandler::KXErrorHandler( Display* dpy ) + : user_handler1( NULL ), + user_handler2( NULL ), + old_handler( XSetErrorHandler( handler_wrapper )), + first_request( XNextRequest( dpy )), + display( dpy ), + was_error( false ) + { + addHandler(); + } + +KXErrorHandler::KXErrorHandler( bool (*handler)( int request, int error_code, unsigned long resource_id ), Display* dpy ) + : user_handler1( handler ), + user_handler2( NULL ), + old_handler( XSetErrorHandler( handler_wrapper )), + first_request( XNextRequest( dpy )), + display( dpy ), + was_error( false ) + { + addHandler(); + } + +KXErrorHandler::KXErrorHandler( int (*handler)( Display*, XErrorEvent* ), Display* dpy ) + : user_handler1( NULL ), + user_handler2( handler ), + old_handler( XSetErrorHandler( handler_wrapper )), + first_request( XNextRequest( dpy )), + display( dpy ), + was_error( false ) + { + addHandler(); + } + +KXErrorHandler::~KXErrorHandler() + { + XSetErrorHandler( old_handler ); + assert( this == handlers[ pos - 1 ] ); // destroy in reverse order + --pos; + } + +void KXErrorHandler::addHandler() + { + if( size == pos ) + { + size += 16; + handlers = static_cast< KXErrorHandler** >( realloc( handlers, size * sizeof( KXErrorHandler* ))); + } + handlers[ pos++ ] = this; + } + +bool KXErrorHandler::error( bool sync ) const + { + if( sync ) + XSync( display, False ); + return was_error; + } + +int KXErrorHandler::handler_wrapper( Display* dpy, XErrorEvent* e ) + { + --pos; + int ret = handlers[ pos ]->handle( dpy, e ); + ++pos; + return ret; + } + +int KXErrorHandler::handle( Display* dpy, XErrorEvent* e ) + { + if( dpy == display + // e->serial >= first_request , compare like X timestamps to handle wrapping + && NET::timestampCompare( e->serial, first_request ) >= 0 ) + { // it's for us + //qDebug( "Handling: %p", static_cast< void* >( this )); + if( user_handler1 != NULL && user_handler1( e->request_code, e->error_code, e->resourceid )) + was_error = true; + if( user_handler2 != NULL && user_handler2( dpy, e ) != 0 ) + was_error = true; + else // no handler set, simply set that there was an error + was_error = true; + return 0; + } + //qDebug( "Going deeper: %p", static_cast< void* >( this )); + return old_handler( dpy, e ); + } + +#endif |